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To date, ordinary Portland cement (OPC) has been used in injection wells, and its survival has been questioned as it is unstable in CO2-rich environments.
As the Fitzpatrick Skin Type Classification scale was developed based on White patient data, its validity within the AA population has been questioned as it often overestimates the prevalence of skin type Fitzpatrick IV among AA. 10 Thus, due to the heterogeneity of the AA group, their skin may be categorized as varying between Fitzpatrick III and VI.
These decisions were controversial, and their advisability has been questioned – as it should be in a democracy.
The value of the clarity and presentation has been questioned as it does not strictly reflect the internal and external validity of a guideline document [ 28].
However, the sustainability of this technique has been questioned as it makes use of materials otherwise used for food [ 1, 2].
As a result the usefulness of the term has been questioned; as it is effectively a catch-all term for labelling psychological and social factors that weren't controlled for or that cannot be explained.
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The fatigue index was the least reliable of the three Wingate test indices, and its validity was questioned as it largely depends on aerobic performance.
Morrison said Publicis's digital credentials should not be questioned, as it has been a stellar performer in terms of acquistions and picking up individual talent.
His personal suitability was questioned as it emerged that his brother's firm had gone into receivership owing £65m 10 months after Richard had resigned in 1992.
Though the strain of Hollywood the Fox overlord embodies has yet to get up a reactionary #AllNomineesMatter campaign, the form book suggests it may not be comfortable with being questioned as it has been this week.
At the same time, peer-review transparency could not be questioned, as it occurred elsewhere for systems where authors pay to publish through article processing charges.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com